Kinda funny..I have the EXACT same issue...26 gal tank,fish in cycling,aqueon 30 HOB, .25 ammo,no trites,5.0 trates...been cycling for 2 months now... I clean my filter in old tank water (not that it matters I have a well..) and do 50%+PWC's every 2-3 DAYS... the only thing I HAVE noticed is...